Refrigeration appliance and filter cartridge for same

Abstract

A filter cartridge for a domestic cooling appliance includes a beaker-shaped housing which is provided at an open end with a coupling for securing to a filter head, and a particle filter insert which is received in the housing. The particle filter insert is guided movably along an axis of the housing between an abutment position, in which it is embedded completely in the housing, and a position in which it at least partially protrudes from the housing. A domestic refrigeration appliance having the filter cartridge is also provided.

The invention claimed is: 
     
       1. A filter cartridge, comprising:
 a beaker-shaped housing having an axis and an open end; 
 said housing having a coupling disposed on an outside diameter of said housing at said open end of said housing for securing the filter cartridge to a filter head; and 
 a particle filter insert including a head, a foot, and a cylindrical mesh strainer having a first longitudinal edge embedded in said head and a second longitudinal edge embedded in said foot, said particle filter insert including longitudinally extending webs disposed on an exterior of said mesh strainer and extending from said head to said foot, said particle filter insert received in said housing, said particle filter insert being guided movably along said axis of said housing between an abutment position in which said particle filter insert is embedded completely in said housing and a position in which said particle filter insert at least partially protrudes from said housing. 
 
     
     
       2. The filter cartridge according to  claim 1 , wherein said particle filter insert is beaker-shaped. 
     
     
       3. The filter cartridge according to  claim 1 , wherein:
 said particle filter insert has an end facing said open end of said housing; 
 said particle filter insert has a star-shaped flange at said end of said particle filter insert facing said open end of said housing; 
 said particle filter insert has an inlet opening formed centrally in said flange; and 
 said flange has nibs resting against said housing in said abutment position. 
 
     
     
       4. The filter cartridge according to  claim 3 , wherein said housing has a step, and said abutment position is defined by contact of said nibs of said flange with said step. 
     
     
       5. The filter cartridge according to  claim 3 , wherein said particle filter insert is constructed to be guided in a torque-proof manner in said housing, and said flange supports at least one protrusion on a side of said flange facing said open end of said housing. 
     
     
       6. The filter cartridge according to  claim 5 , wherein said particle filter insert has a protrusion, and said housing has inwardly protruding, axially extending ribs between which said protrusion of said particle filter insert engages. 
     
     
       7. The filter cartridge according to  claim 1 , wherein said housing has an exterior and at least one axially extending rib disposed at said exterior. 
     
     
       8. A refrigeration appliance or domestic refrigeration appliance, comprising:
 a water connection; 
 at least one water consumer; and 
 a filter cartridge according to  claim 1  interconnecting said water connection and said water consumer. 
 
     
     
       9. The filter cartridge according to  claim 1 , wherein said housing has longitudinally extending ribs on an inside diameter thereof. 
     
     
       10. The filter cartridge according to  claim 9 , wherein said head part has a circular disk with a diameter corresponding to a distance between opposing ones of said ribs, said disk having two circular segments that project beyond an edge of said circular disk for engaging between adjacent ribs of said ribs. 
     
     
       11. A filter cartridge, comprising:
 a beaker-shaped housing having an axis and an open end, said housing having a nib; 
 a coupling disposed at said open end of said housing for securing the filter cartridge to a filter head; 
 a particle filter insert including a mesh cylinder with a longitudinally extending web on an outer side of said mesh cylinder, said particle filter insert being received in said housing, said particle filter insert being guided movably along said axis of said housing between an abutment position in which said particle filter insert is embedded completely in said housing and a position in which said particle filter insert at least partially protrudes from said housing; 
 an abutment defining said position in which said particle filter insert at least partially protrudes from said housing, said web defining a step that engages said nib for defining said abutment, said particle filter insert being released from said housing by overcoming said abutment. 
 
     
     
       12. The filter cartridge according to  claim 11 , wherein said abutment is formed by radially deflectable flexible tongues of said housing.